Why do DVDs look so bad?

Why do DVDs look so bad? Compression and resolution artifacts in the source material which are not as evident on a lower resolution analog set become exacerbated when blown up onto a large fixed pixel display. Another factor contributing to this is the size difference between your sets. It’s not a 1-inch difference as you […]

What is the independent brake on a locomotive?

What is the independent brake on a locomotive? The independent brake is a “straight air” system that makes brake applications on the head-of-train locomotive consist independently of the automatic brake, providing for more nuanced train control. The two braking systems may interact differently as a matter of preference by the locomotive builder or the railroad. […]

Which is 22nd amino acid?

Which is 22nd amino acid? Selenocysteine (Sec) and pyrrolysine (Pyl) are rare amino acids that are cotranslationally inserted into proteins and known as the 21st and 22nd amino acids in the genetic code. Sec and Pyl are encoded by UGA and UAG codons, respectively, which normally serve as stop signals. Is pyrrolysine a standard amino […]

Back to Top